Ashtray



FIG. 1 is a top plan view of an ashtray showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof; and

FIG. 6 is a bottom view thereof. 

The ornamental design for an ashtray, substantially as shown. 